"The Watchers" -- A new Assistant Director is assigned to oversee LA operations for NCIS, the team begins to wonder what his intentions really are. (L-R) Chris O’Donnel as Special Agent G. Gallen, LL COOL J as Special Agent Sam Hanna, Eric Christian Olsen as Special Agent Marty Deeks, Daniela Ruah as Special Agent Kensi Blye and Guest star Miguel Ferrer as NCIS Assistant Director Owen Granger. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.

"The Watchers" -- Tech Operator Eric Beale (Barrett Foa), Special Agent Sam Hanna's (LL COOL J), Special Agent G. Callen (Chris O’Donnel) and LAPD Detective Marty Deeks (Eric Christian Olsen), on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.

"The Watchers" -- Tech Operator Eric Beale (Barrett Foa) and Intelligence Analyst Nell Jones (Renée Felice Smith, :Renee) on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.

"The Watchers" -- Special Agent Sam Hanna's (LL COOL J), Special Agent G. Callen (Chris O’Donnel) and LAPD Detective Marty Deeks (Eric Christian Olsen), on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.

"The Watchers" -- Special Agent Sam Hanna's (LL COOL J) and Special Agent G. Callen (Chris O’Donnel) on NCIS: LOS ANGELES, Tuesday, Jan. 3 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.

"The Watchers" -- Special Agent Sam Hanna's (LL COOL J) and Special Agent G. Callen (Chris O’Donnel) on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.

"The Watchers" -- Special Agent Sam Hanna's (LL COOL J) on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.

"The Watchers" -- LAPD Detective Marty Deeks (Eric Christian Olsen), and Special Agent Kensi Blye (Daniela Ruah) on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.

"The Watchers" -- LAPD Detective Marty Deeks (Eric Christian Olsen), on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.

"The Watchers" -- Tech Operator Eric Beale (Barrett Foa) on NCIS: LOS ANGELES, Tuesdays (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/ CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved.